Hassan, Abdelrahman Hussein https://orcid.org/0000-0001-9063-9569
Martínez-Ballester, Santiago
Gonzálvez-Maciá, José
Article History
Received: 1 May 2018
Accepted: 9 April 2019
First Online: 10 May 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.